| 2025/0074,619 | FUEL CELL EXHAUST INERTING FOR AIRSHIPS | Aug 29, 23 | Mar 06, 25 | ZeroAvia, Inc. |
| 2024/0391,579 | MODULAR FLYING PLATFORM | May 27, 24 | Nov 28, 24 | Not available |
| 2020/0377,187 | AERIAL SWIMMER APPARATUSES, METHODS AND SYSTEMS | May 29, 20 | Dec 03, 20 | Not available |
| 2020/0377,188 | PROPULSION SYSTEM FOR A BUOYANT AERIAL VEHICLE | Aug 18, 20 | Dec 03, 20 | Not available |
| 2020/0377,189 | PROPULSION SYSTEM FOR A BUOYANT AERIAL VEHICLE | Aug 18, 20 | Dec 03, 20 | Not available |
| 2019/0193,827 | PROPULSION SYSTEM FOR A BUOYANT AERIAL VEHICLE | Dec 21, 17 | Jun 27, 19 | X Development LLC |
| 2018/0290,720 | HYDROGEN RECYCLING FLIGHT SYSTEM AND FLIGHT METHOD | Dec 03, 15 | Oct 11, 18 | Not available |
| 2017/0073,058 | HYDROGEN-REGENERATING SOLAR-POWERED AIRCRAFT | Nov 04, 16 | Mar 16, 17 | SOLAR SHIP INC. |
| 2016/0375,976 | AUTONOMOUS INTELLIGENCE SURVEILLANCE RECONNAISSANCE AND PAYLOAD DELIVERY SYSTEM AND METHOD OF USING SAME | May 20, 16 | Dec 29, 16 | Silicis Technologies, Inc. |
| 2015/0298,786 | AUTONOMOUS INTELLIGENCE SURVEILLANCE RECONNAISSANCE AND PAYLOAD DELIVERY SYSTEM AND METHOD OF USING SAME | Aug 06, 12 | Oct 22, 15 | Silicis Technologies, Inc. |
| 2015/0246,717 | HYDROGEN-REGENERATING SOLAR-POWERED AIRCRAFT | Sep 19, 13 | Sep 03, 15 | SOLAR SHIP INC. |
| 2015/0210,407 | LIFTING ENTRY/ATMOSPHERIC FLIGHT (LEAF) UNIFIED PLATFORM FOR ULTRA-LOW BALLISTIC COEFFICIENT ATMOSPHERIC ENTRY AND MANEUVERABLE ATMOSPHERIC FLIGHT AT SOLAR SYSTEM BODIES | Jun 05, 14 | Jul 30, 15 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| 2015/0203,184 | SAIL-EQUIPPED AMPHIBIOUS AEROSTAT OR DIRIGIBLE | Jan 17, 14 | Jul 23, 15 | Not available |
| 2014/0158,818 | Looking over-the-horizon system | Dec 07, 12 | Jun 12, 14 | Not available |
| 2013/0068,879 | WING-IN-GROUND EFFECT VESSEL | Sep 15, 11 | Mar 21, 13 | Not available |
| 2011/0163,200 | LENTICULAR AIRSHIP | Dec 01, 10 | Jul 07, 11 | LTA CORPORATION |
| 2009/0294,582 | Propulsion Unit for Lighter-Than-Air Aircraft | Apr 07, 06 | Dec 03, 09 | EMPA EIDGENOSSISCHE MATERIALPRUFUNGS-UND FORSCHUNGSANSTALT |
| 2009/0283,630 | Lighter-than-air vehicle for shading | May 15, 08 | Nov 19, 09 | KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS |
| 2009/0134,268 | LIGHTER-THAN-AIR VERTICAL LOAD LIFTING SYSTEM | Nov 26, 07 | May 28, 09 | THE BOEING COMPANY, BOEING, INC., |
| 2008/0179,454 | Lenticular airship | Oct 18, 07 | Jul 31, 08 | Not available |